AIAG’s CQI-9 Special Process: Heat Treat System Assessment

Written by Rand Winters, ASR Auditor on . Posted in ASR Quality & Standards Blog

AIAG-Logo-smallCQI-9 is now an ISO/TS 16949 customer requirement of Ford, General Motors and DaimlerChrysler. CQI-9 was written by AIAG and is aimed at automotive suppliers who purchase heat-treating and heat treaters servicing the automotive industry.

CQI-9 defines the fundamental requirements for heat treat management systems, addresses the process approach to automotive production, mandates an annual self-assessment, and provides for continual improvement.

The CQI-9 Requirement is applicable to first tier commercial heat treaters and captive heat treaters to the OEM automotive industry as well as second tier heat treaters that provide service to first tier suppliers. Third tier heat treaters may be required
to adhere to the CQI-9 requirements, but it is not mandatory unless requested.

First Tier commercial heat treaters or captive heat treaters were required to conduct a CQI-9 self-assessment by August 1, 2006 and have an action plan in place for continual improvement.

If a heat treater has a quality management system that meets the requirements of ISO 9001 or ISO/TS 16949, the CQI-9 requirements should integrate well, but will encompass additional requirements.

If your organization is a first or second tier automotive supplier and/or purchaser of heat treating services, you should ask your heat treater for a copy of their HTSA selfassessment and their action plan to follow up their corrective action progress.

Additional information on CQI-9 and the self-assessment document can be obtained by contacting AIAG ( or the IAOB (

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